EMC D-UN-OE-23

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EMC D-UN-OE-23 Exam Syllabus Topics:

EMC Dell Unity Operate 2023 Sample Questions:

Question #1
Drag and Drop Question
A storage engineer must restore a LUN snapshot using a previous copy.
What is the correct sequence of steps?

Question #2
A storage administrator is tasked with creating a DR solution for block and file storage resources.
The company has multiple regional and international sites containing a mix of Dell Unity XT and Dell Unity VSA systems.
What are considerations for the storage administrator when creating the DR solution?

A. Synchronous remote replication should be restricted to within 161 km (100 mi) between sites to keep latency below 10 milliseconds.
Block storage resources can be replicated synchronously and asynchronously.
B. Asynchronous replication over long-distance does not impact latency.
Asynchronous replication ensures zero data loss to the remote replica in disaster conditions.
C. Synchronous remote replication should be restricted to within 10o km (62 mi) between sites to keep latency below 10 milliseconds.
File and block storage resources can be replicated synchronously and asynchronously.
D. Asynchronous replication ensures zero data loss to the remote replica in disaster conditions.
File storage resources can be replicated synchronously and asynchronously.

Question #3
What are considerations when configuring a Proxy NAS server?

A. Different access protocols may be used as the replicated NAS server.
B. The server must match source NAS server interfaces.
C. The server can be created on either SP regardless of where the replicated NAS server resides.
D. The server must be created on the same SP as the replicated NAS server.

Question #4
A storage administrator performs a monthly performance analysis of a Dell Unity XT storage array using CloudlQ insight reports. Three LUNs are set with a Host IO Limits policy The administrator discovers that the throughput IOPS on one LUN (Test_LUN) has increased by 1000 lOPS compared to the two previous months What is the cause of the spike in lOPS?

A. Test_LUN was expanded by 10o GB and a Density-based Host IO limit policy was set for all three LUNs.
B. Host IO limit of Test LUN was edited and the limit was increased by 1000 IOPS.
C. Another Absolute Host lO limit policy with additional 10oo IOPS was set on Test_LUN.
D. Test_LUN was expanded by 100 GB and a Density-based Host IO limit policy was set only for Test_LUN.

Question #5
What is a connectivity rule for a host that connects to multiple Dell Unity XT systems?

A. The iSCSI protocol is required when host connects to multiple arrays.
B. CNA connections to the host must be used with alternating protocols
C. The host can connect to different arrays with different protocols.
D. The host must connect to all the arrays using a single protocol.

Solutions: